Searching by image

No doubt you’ve used Google Image Search: You go to images.google.com and type in a search phrase, such as “Tiananmen Square” and Google serves up matching images. But did you know you can do the reverse: feed an image to Google Image Search and it...

Solving the Password Dilemma

How crackable are your passwords? Do you, like hundreds of thousands of others, use ‘password’ or ‘12345678’ as your password? Or do you cunningly resort to using your daughter’s—or mother’s, sister’s, brother’s, father’s, partner’s, pet’s, favorite sports...